Tool holder



FIG. 1 is a left side elevation view of a tool holder showing my newdesign, the opposite side being a mirror image;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The ornamental design for a tool holder, as shown and described.